How old is someone named Kiley?
The average Kiley is 25 years old.
Half of all living Kileys are between 17 and 31.
When was Kiley popular?
Kiley rose fast and peaked in 2008, then faded almost as fast. 57% of all Kileys were born within 15 years of each other.
Popular names of 2008 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1950s | 5 | 0 |
| 1960s | 50 | under 100 |
| 1970s | 1,318 | 1,200 |
| 1980s | 2,189 | 2,100 |
| 1990s | 3,939 | 3,900 |
| 2000s | 8,193 | 8,100 |
| 2010s | 4,144 | 4,100 |
| 2020s | 434 | 430 |
How many Kileys are still alive?
About 20,000 Kileys are alive in the US today. That's 98% of the roughly 20,000 babies named Kiley since 1958.
Nearly every Kiley ever born is still alive, because almost all of them are young.
What generation is the name Kiley?
More than half of living Kileys are in Gen Z, born between 1997 and 2012.
- Gen X 8%
- Millennial 21%
- Gen Z 59%
- Gen Alpha 12%
Is Kiley an old name?
Not really. Kiley is younger than 59 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Kiley will be 51 in 2056, so the name is aging fast.
Is Kiley a boy or girl name?
Mostly a girl's name: 95% of living Kileys are women, and 5% are men.
The women average 24 and the men 43.
Names the same age as Kiley
NAME TWIN
Kiley's name twin is Nathen. Of all 3,713 names on AgeByName, Nathen's age curve is the closest match to Kiley's: 90% alike.
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Questions about the name Kiley
How old is the average Kiley?
The average Kiley in the US is 25 years old. The median is 23, so half are older and half younger.
How many people are named Kiley?
About 20,000 Kileys are alive in the US today, out of roughly 20,000 babies given the name since 1958.
When was the name Kiley most popular?
In 2008, when about 1,100 baby girls were named Kiley.
Is Kiley a Gen Z name?
Yes. About 59% of living Kileys are in Gen Z, born between 1997 and 2012.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this